Rear sprocket for a motorcycle



FIG. 1 is a perspective view as seen from the side and edge of the design;

FIG. 2 is an edge elevation view of the design shown in FIG. 1, where the edge view is the same independent of the orientation of the rear sprocket for a motorcycle;

FIG. 3 is a side elevation view of the side shown in FIG. 1; and,

FIG. 4 is a side elevation view of the side opposite that shown in FIG. 1. 

The ornamental design for a rear sprocket for a motorcycle, as shown and described. 